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+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2016-2017 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+"""Bunch of useful decorators"""
+
+from __future__ import absolute_import, print_function, division
+
+__authors__ = ["V. Valls"]
+__license__ = "MIT"
+__date__ = "22/02/2018"
+
+
+class classproperty(property):
+ """
+ Decorator to transform an object method into a class property.
+
+ This code are equivalent, but the second one can be decorated with
+ deprecation warning for example.
+
+ .. code-block:: python
+
+ class Foo(object):
+ VALUE = 10
+
+ class Foo2(object):
+ @classproperty
+ def VALUE(self):
+ return 10
+ """
+ def __get__(self, cls, owner):
+ return classmethod(self.fget).__get__(None, owner)()